SA3079WE
Installation of Collins FPC-75 Ground Proximity Warning System Computer P/N 622-2615-012 or P/N 622-2615-212 or P/N 622-2615-213, in airplanes with provisions installed per United Air Lines DAS STC SA2826WE-D revised April 3, 1975, or later approved revisions, and United Air Lines, DAS-1-WE, Approved Drawing List No. 3079 dated February 2, 1979, or later FAA approved revisions. United Air Lines FAA Approved Airplane Flight Manual Supplements dated March 17, 1976, or later approved revisions to Boeing Airplane Flight Manual Documents D6-8727.1/.1C and DC-8728.1, is required as part of this installation. Held by United Airlines INC, which holds 520 approved modifications in all. Last revised November 30, 2011. System: other and general.
What it applies to
- Kind of product
- Aircraft
- Design holder
- The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company
- Models
- 727-100C Series, 727-200 Series, 727 Series, 727C Series
- Type certificates
- A3WE, A3WE, A3WE, A3WE
- On this site
- Boeing 727 37 registered
- The FAA's record
- On the FAA's site
What an approved modification is
A supplemental type certificate is the FAA's approval of a change to a certified design: a new engine or propeller, avionics, an autopilot, floats, a parachute, a larger fuel tank, an ice-protection kit. The company holding it may sell the kit and the paperwork to owners of the listed models; the modification then becomes part of that aircraft's record. The FAA's list says what was approved and for which models, not how many aircraft carry it.
Source: FAA supplemental type certificates (Dynamic Regulatory System). Register counts from the FAA register of October 20, 2026.